Earth & Environmental Sciences
agricultural land
72%
mitigation
70%
climate change
53%
carbon
51%
bioenergy
43%
arable land
29%
crop production
28%
surplus
27%
land management
25%
land use
17%
policy
15%
Kyoto Protocol
15%
cereal
14%
straw
13%
carbon emission
13%
manure
12%
woodland
12%
sewage sludge
12%
European Union
12%
regeneration
11%
incorporation
10%
crop
9%
agriculture
9%
resource
7%
Agriculture & Biology
agricultural land
89%
climate change
76%
carbon
59%
energy crops
51%
land management
38%
arable soils
35%
surpluses
33%
land use
29%
crop production
28%
sewage sludge
18%
European Union
15%
no-tillage
15%
woodlands
15%
animal manures
14%
straw
13%
farming systems
12%
agriculture
11%
protocols
10%
Engineering & Materials Science
Climate change
100%
Carbon
68%
Crops
50%
Land use
36%
Sewage sludge
22%
Manures
21%
Straw
18%
European Union
16%
Agriculture
16%
Animals
14%
Chemical Compounds
Percent Reduction
42%
Carbon Atom
42%